Wireless transceiver resynchronization options

Abstract

A communication circuit includes network formation circuitry configured to establish a wireless network between a primary wireless transceiver and a secondary wireless transceiver. The communication circuit also includes data transfer circuitry configured to perform data transfers between the primary wireless transceiver and the secondary wireless transceiver. The communication circuit further includes resynchronization circuitry configured to resynchronize the secondary wireless transceiver with the established wireless network within a target time interval.

1 . A device comprising:
 a transceiver; and   a controller coupled to the transceiver and configurable to:
 determine that the device is unsynchronized with a primary network node; 
 determine that a next communication channel is a first configuration channel in a frequency hopping schema; and 
 wait at a second configuration channel after the first configuration channel in response to determining that the next communication channel is the first configuration channel. 
   
     
     
         2 . The device of  claim 1 , wherein the second configuration channel follows the first configuration channel in the frequency hopping schema. 
     
     
         3 . The device of  claim 1 , wherein the second configuration channel does not immediately follow the first configuration channel in the frequency hopping schema. 
     
     
         4 . The device of  claim 1 , wherein the controller is configurable to:
 determine that the device lost synchronization in a first data channel immediately before the first configuration channel in the frequency hopping schema; and   wait at the second configuration channel after the first configuration channel in response to determining that the device lost synchronization in the first data channel immediately before the first configuration channel.   
     
     
         5 . The device of  claim 4 , wherein the first configuration channel is a next available configuration channel after the first data channel. 
     
     
         6 . The device of  claim 1 , wherein the controller is configurable to wait in receive mode at the second configuration channel until a next packet is received by the transceiver. 
     
     
         7 . The device of  claim 1 , wherein the controller is configurable to:
 determine that a next communication channel is a first data channel in the frequency hopping schema, wherein the first data channel is immediately before the first configuration channel in the frequency hopping schema; and   wait at the first configuration channel in response to determining that the next communication channel is the first data channel.   
     
     
         8 . The device of  claim 7 , wherein the first configuration channel is a next available configuration channel after the first data channel. 
     
     
         9 . The device of  claim 7 , wherein the controller is configurable to determine that the device lost synchronization in a second data channel immediately before the first data channel in the frequency hopping schema. 
     
     
         10 . A device comprising:
 a transceiver; and   a controller coupled to the transceiver and configurable to:
 determine that the device lost synchronization with a primary network node in a first data channel immediately before a first configuration channel in a frequency hopping schema; and 
 wait at a second configuration channel after the first configuration channel in the frequency hopping schema when the device lost synchronization with the primary network node in the first data channel. 
   
     
     
         11 . The device of  claim 10 , wherein the controller is configurable to:
 determine that the device lost synchronization with the primary network node in a second data channel immediately before the first data channel in the frequency hopping schema; and   wait at the first configuration channel when the device lost synchronization with the primary network node in the second data channel.   
     
     
         12 . The device of  claim 10 , wherein the second configuration channel follows the first configuration channel in the frequency hopping schema. 
     
     
         13 . The device of  claim 10 , wherein the second configuration channel does not immediately follow the first configuration channel in the frequency hopping schema. 
     
     
         14 . The device of  claim 10 , wherein the first configuration channel is a next available configuration channel after the first data channel. 
     
     
         15 . The device of  claim 10 , wherein the controller is configurable to wait in receive mode at the second configuration channel until a next packet is received by the transceiver. 
     
     
         16 . The device of  claim 10 , wherein the controller is configurable to:
 determine that the device lost synchronization with the primary network node in a second data channel immediately before the first data channel in the frequency hopping schema; and   wait at the first data channel when the device lost synchronization with the primary network node in the second data channel.   
     
     
         17 . A device comprising:
 a transceiver; and   a controller coupled to the transceiver and configurable to:
 determine that the device is unsynchronized with a primary network node; 
 scan multiple data channels in a frequency hopping schema when the device is unsynchronized with the primary network node; and 
 resynchronize the transceiver with the primary network node using a first data channel of the multiple data channels. 
   
     
     
         18 . The device of  claim 17 , wherein the controller is configurable to identify the first data channel as an active channel by scanning the multiple data channels. 
     
     
         19 . The device of  claim 17 , wherein the controller is configurable to identify a second data channel as an active channel by scanning the multiple data channels, wherein the first data channel immediately follows the second data channel in the frequency hopping schema. 
     
     
         20 . The device of  claim 17 , wherein the controller is configurable to scan all data channels in the frequency hopping schema.